Features : 1. Coaxial structure and palm-siazed dimension are used to make HM 5#6 as the optimal model for indoor entertainment. 2. 2×1215 strong-magnetic motor as power is powerful and make flight stable. 3. Highly efficient servo (3g) is prompt in reaction and effectively guarantees the performance of various flight. 4. The receiving circuit is equipped with a built-in gyro. Whose sensitivity can be customizedly adjusted. 5. The high-volume 3.7V 400mAh Li-po battery pack. A full charged cycle will offer the HM 5#6 with 7-10 minutes flight.